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Andrés CMC, Pérez de la Lastra JM, Bustamante Munguira E, Andrés Juan C, Pérez-Lebeña E. Anticancer Activity of Metallodrugs and Metallizing Host Defense Peptides-Current Developments in Structure-Activity Relationship. Int J Mol Sci 2024; 25:7314. [PMID: 39000421 PMCID: PMC11242492 DOI: 10.3390/ijms25137314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/16/2024] Open
Abstract
This article provides an overview of the development, structure and activity of various metal complexes with anti-cancer activity. Chemical researchers continue to work on the development and synthesis of new molecules that could act as anti-tumor drugs to achieve more favorable therapies. It is therefore important to have information about the various chemotherapeutic substances and their mode of action. This review focuses on metallodrugs that contain a metal as a key structural fragment, with cisplatin paving the way for their chemotherapeutic application. The text also looks at ruthenium complexes, including the therapeutic applications of phosphorescent ruthenium(II) complexes, emphasizing their dual role in therapy and diagnostics. In addition, the antitumor activities of titanium and gold derivatives, their side effects, and ongoing research to improve their efficacy and reduce adverse effects are discussed. Metallization of host defense peptides (HDPs) with various metal ions is also highlighted as a strategy that significantly enhances their anticancer activity by broadening their mechanisms of action.
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Affiliation(s)
| | - José Manuel Pérez de la Lastra
- Institute of Natural Products and Agrobiology, CSIC-Spanish Research Council, Avda. Astrofísico Fco. Sánchez, 3, 38206 La Laguna, Spain
| | | | - Celia Andrés Juan
- Cinquima Institute and Department of Organic Chemistry, Faculty of Sciences, Valladolid University, Paseo de Belén, 7, 47011 Valladolid, Spain
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2
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Casagrande N, Borghese C, Corona G, Aldinucci D, Altaf M, Sulaiman AAA, Isab AA, Ahmad S, Peedikakkal AMP. Dinuclear gold(I) complexes based on carbene and diphosphane ligands: bis[2-(dicyclohexylphosphano)ethyl]amine complex inhibits the proteasome activity, decreases stem cell markers and spheroid viability in lung cancer cells. J Biol Inorg Chem 2023; 28:751-766. [PMID: 37955736 DOI: 10.1007/s00775-023-02025-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 10/02/2023] [Indexed: 11/14/2023]
Abstract
Three new dinuclear gold(I) complexes (1-3) containing a carbene (1,3-Bis(2,6-di-isopropylphenyl)imidazol-2-ylidene (IPr)) and diphosphane ligands [bis(1,2-diphenylphosphano)ethane (Dppe), bis(1,3-diphenylphosphano)propane (Dppp) and bis[2-(dicyclohexylphosphano)ethyl]amine (DCyPA)], were synthesized and characterized by elemental analysis and, ESI-MS, mid FT-IR and NMR spectroscopic methods. The structures of complexes 2 and 3 were determined by X-ray crystallography, which revealed that the complexes are dinuclear having gold(I) ions linearly coordinated. The anticancer activities of the complexes (1-3) were evaluated in lung (A549), breast (MC-F7), prostate (PC-3), osteosarcoma (MG-63) and ovarian (A2780 and A2780cis) cancer models. Growth inhibition by the new complexes was higher than cisplatin in all cell lines tested. The mechanism of action of complex 3 was investigated in A549 cells using 2-dimensional (2D) models and 3D-multicellular tumor spheroids. Treatment of A549 cells with complex 3 caused: the induction of apoptosis and the generation of reactive oxygen species; the cell cycle arrest in the G0/G1 phase; the inhibition of both the proteasome and the NF-kB activity; the down-regulation of lung cancer stem cell markers (NOTCH1, CD133, ALDH1 and CD44). Complex 3 was more active than cisplatin also in 3D models of A549 lung cancer cells.
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Affiliation(s)
- Naike Casagrande
- Molecular Oncology, Centro Di Riferimento Oncologico Di Aviano (CRO) IRCCS, 33081, Aviano, Italy
| | - Cinzia Borghese
- Molecular Oncology, Centro Di Riferimento Oncologico Di Aviano (CRO) IRCCS, 33081, Aviano, Italy
| | - Giuseppe Corona
- Immunopathology and Cancer Biomarkers Unit, Centro Di Riferimento Oncologico Di Aviano (CRO), IRCCS, 33081, Aviano, Italy
| | - Donatella Aldinucci
- Molecular Oncology, Centro Di Riferimento Oncologico Di Aviano (CRO) IRCCS, 33081, Aviano, Italy.
| | - Muhammad Altaf
- Department of Chemistry, Government College University Lahore, Lahore, 54000, Pakistan
| | - Adam A A Sulaiman
- Core Research Facilities (CRF), King Fahd University of Petroleum and Minerals, 31261, Dhahran, Saudi Arabia.
- Department of Chemistry, King Fahd University of Petroleum and Minerals, 31261, Dhahran, Saudi Arabia.
| | - Anvarhusein A Isab
- Department of Chemistry, King Fahd University of Petroleum and Minerals, 31261, Dhahran, Saudi Arabia.
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals, 31261, Dhahran, Saudi Arabia.
| | - Saeed Ahmad
- Department of Chemistry, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University, 11942, Al-Kharj, Saudi Arabia
| | - Abdul Malik P Peedikakkal
- Department of Chemistry, King Fahd University of Petroleum and Minerals, 31261, Dhahran, Saudi Arabia
- Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, 31261, Dhahran, Saudi Arabia
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3
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Njenga LW, Mbugua SN, Odhiambo RA, Onani MO. Addressing the gaps in homeostatic mechanisms of copper and copper dithiocarbamate complexes in cancer therapy: a shift from classical platinum-drug mechanisms. Dalton Trans 2023; 52:5823-5847. [PMID: 37021641 DOI: 10.1039/d3dt00366c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
The platinum drug, cisplatin, is considered as among the most successful medications in cancer treatment. However, due to its inherent toxicity and resistance limitations, research into other metal-based non-platinum anticancer medications with diverse mechanisms of action remains an active field. In this regard, copper complexes feature among non-platinum compounds which have shown promising potential as effective anticancer drugs. Moreover, the interesting discovery that cancer cells can alter their copper homeostatic processes to develop resistance to platinum-based treatments leads to suggestions that some copper compounds can indeed re-sensitize cancer cells to these drugs. In this work, we review copper and copper complexes bearing dithiocarbamate ligands which have shown promising results as anticancer agents. Dithiocarbamate ligands act as effective ionophores to convey the complexes of interest into cells thereby influencing the metal homeostatic balance and inducing apoptosis through various mechanisms. We focus on copper homeostasis in mammalian cells and on our current understanding of copper dysregulation in cancer and recent therapeutic breakthroughs using copper coordination complexes as anticancer drugs. We also discuss the molecular foundation of the mechanisms underlying their anticancer action. The opportunities that exist in research for these compounds and their potential as anticancer agents, especially when coupled with ligands such as dithiocarbamates, are also reviewed.
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Affiliation(s)
- Lydia W Njenga
- Department of Chemistry, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya.
| | - Simon N Mbugua
- Department of Chemistry, Kisii University, P.O. Box 408-40200, Kisii, Kenya
| | - Ruth A Odhiambo
- Department of Chemistry, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya.
| | - Martin O Onani
- Department of Chemical Sciences, University of the Western Cape, Private Bag X17, Belville, 7535, South Africa
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Roy N, Shanavas S, Kar B, Thilak Babu L, Das U, Vardhan S, Sahoo SK, Bose B, Rajagopalan V, Paira P. G2/M-Phase-Inhibitory Mitochondrial-Depolarizing Re(I)/Ru(II)/Ir(III)-2,2'-Bipyrimidine-Based Heterobimetallic Luminescent Complexes: An Assessment of In Vitro Antiproliferative Activity and Bioimaging for Targeted Therapy toward Human TNBC Cells. ACS OMEGA 2023; 8:12283-12297. [PMID: 37033791 PMCID: PMC10077533 DOI: 10.1021/acsomega.2c08285] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 01/30/2023] [Indexed: 06/19/2023]
Abstract
Triple-negative breast cancer (TNBC) is an extremely vicious subtype of human breast cancer having the worst prognosis along with strong invasive and metastatic competency. Hence, it can easily invade into blood vessels, and presently, no targeted therapeutic approach is available to annihilate this type of cancer. Metal complexes have successfully stepped into the anticancer research and are now being applauded due to their anticancer potency after the discovery of cisplatin. Many of these metal complexes are also well recognized for their activity toward breast cancer. As the TNBC is a very dangerous subtype and has long been a challenging ailment to treat, we have intended to develop a few brand new mixed metallic Ru(II)/Ir(III)/Re(I)-2,2'-bipyrimidine complexes [L'Re2], [L'RuRe], and [L'IrRe] to abate the unbridled proliferation of TNBC cells. The potency of the complexes against TNBC cells has been justified using MDA-MB-468 TNBC cell lines where complex [L'IrRe] has displayed significant potency among all the three complexes with an IC50 value of 24.12 μM. The complex [L'IrRe] has been competent to cause apoptosis of TNBC cells through inhibition of the G2/M phase in the cell cycle in association with a profuse amount of ROS generation and mitochondrial depolarization.
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Affiliation(s)
- Nilmadhab Roy
- Department
of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India
| | - Shanooja Shanavas
- Department
Stem Cells and Regenerative Medicine Centre, Institution Yenepoya
Research Centre, Yenepoya University, University Road, Derlakatte, Mangalore 575018, Karnataka, India
| | - Binoy Kar
- Department
of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India
| | - Lavanya Thilak Babu
- Department
of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India
| | - Utpal Das
- Department
of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India
| | - Seshu Vardhan
- Department
of Applied Chemistry, S.V. National Institute
of Technology (SVNIT), Ichchanath, Surat, Gujarat 395007, India
| | - Suban K. Sahoo
- Department
of Applied Chemistry, S.V. National Institute
of Technology (SVNIT), Ichchanath, Surat, Gujarat 395007, India
| | - Bipasha Bose
- Department
Stem Cells and Regenerative Medicine Centre, Institution Yenepoya
Research Centre, Yenepoya University, University Road, Derlakatte, Mangalore 575018, Karnataka, India
| | - Vijayaraghavan Rajagopalan
- Department
of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India
| | - Priyankar Paira
- Department
of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India
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5
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Leung JN, Huynh HV. Stereoelectronic Mapping of Dithiocarbamates and Xanthates. Inorg Chem 2023; 62:295-303. [PMID: 36563313 DOI: 10.1021/acs.inorgchem.2c03387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A library of 12 palladium(II) complexes of the type [PdBr(iPr2-bimy)(L∧X)] comprising 10 dithiocarbamato (R2NCS2-) and two xanthato (ROCS2-) ligands have been prepared and fully characterized. With these complexes in hand, the electronic and steric properties of the bidentate, monoanionic ligands were evaluated using the HEP2 and %Vbur methodologies. Moreover, the construction of the first stereoelectronic map for dithiocarbamates enabled the in-principle identification of optimal ligand parameters for enhanced cytotoxic activities of their gold(III) complexes. This application of the stereoelectronic map showcases its viability as a useful tool to establish structure-activity relationships for rational ligand design.
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Affiliation(s)
- Jia Nuo Leung
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117453, Singapore
| | - Han Vinh Huynh
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117453, Singapore
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6
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Kim JH, Ofori S, Tagmount A, Vulpe CD, Awuah SG. Genome-wide CRISPR Screen Reveal Targets of Chiral Gold(I) Anticancer Compound in Mammalian Cells. ACS OMEGA 2022; 7:39197-39205. [PMID: 36340096 PMCID: PMC9631916 DOI: 10.1021/acsomega.2c05166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/06/2022] [Indexed: 06/09/2023]
Abstract
Metal-based drugs, such as cisplatin and auranofin, are used for the treatment of cancer and rheumatoid arthritis, respectively. Auranofin and other gold-derived compounds have been shown to possess anticancer, anti-inflammatory, antimicrobial, and antiparasitic activity in preclinical and clinical trials. Unlike platinum agents which are known to target DNA, the target of gold is not well elucidated. To better understand the targets and effects of gold agents in mammalian cells, we used a targeted CRISPR (ToxCRISPR) screen in K562 cancer cells to identify genes that modulate cellular sensitivity to gold. We synthesized a novel chiral gold(I) compound, JHK-21, with potent anticancer activity. Among the most sensitizing hits were proteins involved in mitochondrial carriers, mitochondrial metabolism, and oxidative phosphorylation. Further analysis revealed that JHK-21 induced inner mitochondria membrane dysfunction and modulated ATP-binding cassette subfamily member C (ABCC1) function in a manner distinct from auranofin. Characterizing the therapeutic effects and toxicities of metallodrugs in mammalian cells is of growing interest to guide future drug discovery, and cellular and preclinical/clinical studies.
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Affiliation(s)
- Jong Hyun Kim
- Department
of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
| | - Samuel Ofori
- Department
of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
| | - Abderrahmane Tagmount
- Department
of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida 32611, United States
| | - Chris D. Vulpe
- Department
of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida 32611, United States
| | - Samuel G. Awuah
- Department
of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
- Department
of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536, United States
- Markey
Cancer Center, University of Kentucky, Lexington, Kentucky 40536, United States
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7
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Sulaiman AAA, Casagrande N, Borghese C, Corona G, Isab AA, Ahmad S, Aldinucci D, Altaf M. Design, Synthesis, and Preclinical Activity in Ovarian Cancer Models of New Phosphanegold(I)-N-heterocyclic Carbene Complexes. J Med Chem 2022; 65:14424-14440. [DOI: 10.1021/acs.jmedchem.2c00737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Adam A. A. Sulaiman
- Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Naike Casagrande
- Molecular Oncology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano 33081, Italy
| | - Cinzia Borghese
- Molecular Oncology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano 33081, Italy
| | - Giuseppe Corona
- Immunopathology and Cancer Biomarkers Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano 33081, Italy
| | - Anvarhusein A. Isab
- Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Saeed Ahmad
- Department of Chemistry, College of Sciences and Humanities, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Donatella Aldinucci
- Molecular Oncology Unit, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano 33081, Italy
| | - Muhammad Altaf
- Department of Chemistry, Government College University Lahore, Lahore 54000, Pakistan
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8
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In Vitro and In Vivo Relevant Antineoplastic Activity of Platinum(II) Complexes toward Triple-Negative MDA-MB-231 Breast Cancer Cell Line. Pharmaceutics 2022; 14:pharmaceutics14102013. [PMID: 36297448 PMCID: PMC9609024 DOI: 10.3390/pharmaceutics14102013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/07/2022] [Accepted: 09/14/2022] [Indexed: 11/18/2022] Open
Abstract
Two platinum complexes [Pt(HL3)Cl]·H2O (3) and [Pt(HL4)Cl]·H2O (4) containing α- and β-naphthyl groups, respectively, were investigated in more detail in vitro and in vivo for antineoplastic activity. The cytotoxicity activity induced by these platinum(II) compounds against breast cancer (MDA-MB-231 and MCF-7), lung (A549), prostate (PC3), pancreas (BXPC-3), and normal peripheral blood mononuclear (PBMC) cells were evaluated by MTT assay. The cell viability MTT assay showed that complex (4) was more cytotoxic to all cancer cell lines tested and less cytotoxic against human PBMC. Therefore, complex (4) was selected to further investigate the mechanism of cytotoxic effects involved against MDA-MB-231 cell line (human triple-negative breast cancer). Sub-G1 analysis of the cell cycle showed that this complex induces cell death by apoptosis due to the cell loss of DNA content detected in flow cytometry. The cytotoxic effect induced by complex (4) was associated with the capability of the complex to induce mitochondrial membrane depolarization, as well as increase ROS levels and caspase activation, as a result of the activation of both extrinsic and intrinsic apoptosis pathways. Ultrastructural alterations were observed using scanning and transmission electron microscopy (SEM and TEM), such as membrane blebbing, filopodia reduction, empty mitochondrial matrix, and DNA fragmentation. Furthermore, complex (4) was tested in an MDA-MB-231 tumor nodule xenograft murine model and demonstrated a remarkable reduction in tumor size in BALB/c nude mice, when compared to the control animals.
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9
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Zhang J, Li Y, Fang R, Wei W, Wang Y, Jin J, Yang F, Chen J. Organometallic gold(I) and gold(III) complexes for lung cancer treatment. Front Pharmacol 2022; 13:979951. [PMID: 36176441 PMCID: PMC9513137 DOI: 10.3389/fphar.2022.979951] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Metal compounds, especially gold complexes, have recently gained increasing attention as possible lung cancer therapeutics. Some gold complexes display not only excellent activity in cisplatin-sensitive lung cancer but also in cisplatin-resistant lung cancer, revealing promising prospects in the development of novel treatments for lung cancer. This review summarizes examples of anticancer gold(I) and gold (III) complexes for lung cancer treatment, including mechanisms of action and approaches adopted to improve their efficiency. Several excellent examples of gold complexes against lung cancer are highlighted.
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Affiliation(s)
- Juzheng Zhang
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, China
| | - Yanping Li
- School of Public Health, Guilin Medical University, Guilin, China
| | - Ronghao Fang
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, China
| | - Wei Wei
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, China
| | - Yong Wang
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, China
| | - Jiamin Jin
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, China
| | - Feng Yang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, China
- *Correspondence: Feng Yang, mailto:, Jian Chen, mailto:
| | - Jian Chen
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, China
- *Correspondence: Feng Yang, mailto:, Jian Chen, mailto:
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10
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Isolation, Characterization, and Breast Cancer Cytotoxic Activity of Gyrophoric Acid from the Lichen Umbilicaria muhlenbergii. Processes (Basel) 2022. [DOI: 10.3390/pr10071361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Lichens produce a large variety of secondary metabolites with diverse bioactivities, chemical structures, and physicochemical properties. For this reason, there is a growing interest in the use of lichen-derived bioactive molecules for drug discovery and development. Here, we report on the isolation, identification, and cytotoxic evaluation of gyrophoric acid (GA) from the lichen Umbilicaria muhlenbergii, a largely unexplored and scantly described lichen species. A simple purification protocol was developed for the fractionation of lichen crude extracts with silica gel column chromatography using solvents with changing polarity. GA was identified in one of the fractions with Fourier transform infrared spectroscopy (FTIR), ion trap mass spectrometry (MS), and nuclear magnetic resonance spectroscopy (1H-NMR and 13C-NMR). The FTIR spectra demonstrated the presence of aromatic and ester functional groups C=C, C-H, and C=O bonds, with the most remarkable signals recorded at 1400 cm−1 for the aromatic region, at 1400 cm−1 for the CH3 groups, and at 1650 cm−1 for the carbonyl groups in GA. The MS spectra showed a molecular ion [M-1]− at (m/z) 467 with a molecular weight of 468.4 and the molecular formula C24H20O10. that correspond to GA. The 1H-NMR and 13C-NMR spectra verified the chemical shifts that are typical for GA. GA reduced the cell viability of breast cancer cells from the MCF-7 cell line by 98%, which is indicative of the strong cytotoxic properties of GA and its significant potential to serve as a potent anticancer drug.
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11
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Dabhi RA, Dhaduk MP, Bhatt VD, Bhatt BS. Synthetic approach toward spiro quinoxaline-β-lactam based heterocyclic compounds: Spectral characterization, SAR, pharmacokinetic and biomolecular interaction studies. J Biomol Struct Dyn 2022:1-17. [PMID: 35699269 DOI: 10.1080/07391102.2022.2086176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Series of spiro quinoxaline-β-lactam based heterocyclic compounds (QL 1 - QL 21) were synthesized and characterized by spectroscopic techniques like 1H-NMR, LC-MS, FT-IR spectroscopy and elemental analysis. The binding mode and binding strength between compounds and calf thymus-DNA were estimated by UV-visible spectroscopy, viscosity measurement and molecular docking studies. The compounds bind with the DNA through partial intercalation mode. In the absorption titration experiment, the Kb values for all the synthesized compounds were found in the range of 0.24-0.64 × 105 M-1. The protein binding studies of all the synthesized compounds were evaluated by absorption titration experiment, and the Kb value for all the compounds was obtained in the range of 0.030-1.571 × 104 M-1. The compounds were screened against two Gram (+ve) and three Gram (-ve) bacteria for antimicrobial activity. The MIC values for all the synthesized compounds were found in 95-255 µM. The LC50 values (cytotoxicity) of the synthesized compounds (QL 1-QL 21) were found in the range of 4.00-12.89 µg/mL. The ADME study was carried out using the online platform SwissADME and admetSAR to evaluate the pharmacokinetic profile of all the synthesized compounds. All the compounds were screened for anticancer activity against the human osteosarcoma (MG-63) cell line. The result shows that all the compounds exhibit effective anticancer activity.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Ravi A Dabhi
- Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar, Gujarat, India
| | - Milan P Dhaduk
- Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar, Gujarat, India
| | - Vaibhav D Bhatt
- School of Applied Sciences and Technology, Gujarat Technological University, Ahmedabad, Gujarat, India
| | - Bhupesh S Bhatt
- Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar, Gujarat, India
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12
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Lu Y, Ma X, Chang X, Liang Z, Lv L, Shan M, Lu Q, Wen Z, Gust R, Liu W. Recent development of gold(I) and gold(III) complexes as therapeutic agents for cancer diseases. Chem Soc Rev 2022; 51:5518-5556. [PMID: 35699475 DOI: 10.1039/d1cs00933h] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Metal complexes have demonstrated significant antitumor activities and platinum complexes are well established in the clinical application of cancer chemotherapy. However, the platinum-based treatment of different types of cancers is massively hampered by severe side effects and resistance development. Consequently, the development of novel metal-based drugs with different mechanism of action and pharmaceutical profile attracts modern medicinal chemists to design and synthesize novel metal-based agents. Among non-platinum anticancer drugs, gold complexes have gained considerable attention due to their significant antiproliferative potency and efficacy. In most situations, the gold complexes exhibit anticancer activities by targeting thioredoxin reductase (TrxR) or other thiol-rich proteins and enzymes and trigger cell death via reactive oxygen species (ROS). Interestingly, gold complexes were recently reported to elicit biochemical hallmarks of immunogenic cell death (ICD) as an ICD inducer. In this review, the recent progress of gold(I) and gold(III) complexes is comprehensively summarized, and their activities and mechanism of action are documented.
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Affiliation(s)
- Yunlong Lu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Xiaoyan Ma
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Xingyu Chang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Zhenlin Liang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Lin Lv
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Min Shan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Qiuyue Lu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Zhenfan Wen
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Ronald Gust
- Institute of Pharmacy/Pharmaceutical Chemistry, University of Innsbruck, Center for Chemistry and Biomedicine, Innsbruck, Austria.
| | - Wukun Liu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China. .,State key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, 210023, China
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13
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Synthesis, in vitro anticancer activity and reactions with biomolecule of gold(I)-NHC carbene complexes. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132482] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Therapeutic strategies to overcome cisplatin resistance in ovarian cancer. Eur J Med Chem 2022; 232:114205. [DOI: 10.1016/j.ejmech.2022.114205] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 02/12/2022] [Accepted: 02/14/2022] [Indexed: 12/15/2022]
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15
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Filipiak-Duliban A, Brodaczewska K, Kajdasz A, Kieda C. Spheroid Culture Differentially Affects Cancer Cell Sensitivity to Drugs in Melanoma and RCC Models. Int J Mol Sci 2022; 23:ijms23031166. [PMID: 35163092 PMCID: PMC8835769 DOI: 10.3390/ijms23031166] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 02/01/2023] Open
Abstract
2D culture as a model for drug testing often turns to be clinically futile. Therefore, 3D cultures (3Ds) show potential to better model responses to drugs observed in vivo. In preliminary studies, using melanoma (B16F10) and renal (RenCa) cancer, we confirmed that 3Ds better mimics the tumor microenvironment. Here, we evaluated how the proposed 3D mode of culture affects tumor cell susceptibility to anti-cancer drugs, which have distinct mechanisms of action (everolimus, doxorubicin, cisplatin). Melanoma spheroids showed higher resistance to all used drugs, as compared to 2D. In an RCC model, such modulation was only observed for doxorubicin treatment. As drug distribution was not affected by the 3D shape, we assessed the expression of MDR1 and mTor. Upregulation of MDR1 in RCC spheroids was observed, in contrast to melanoma. In both models, mTor expression was not affected by the 3D cultures. By NGS, 10 genes related with metabolism of xenobiotics by cytochrome p450 were deregulated in renal cancer spheroids; 9 of them were later confirmed in the melanoma model. The differences between 3D models and classical 2D cultures point to the potential to uncover new non-canonical mechanisms to explain drug resistance set by the tumor in its microenvironment.
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MESH Headings
- Antineoplastic Agents/pharmacology
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Carcinoma, Renal Cell/drug therapy
- Carcinoma, Renal Cell/genetics
- Carcinoma, Renal Cell/metabolism
- Carcinoma, Renal Cell/pathology
- Cell Survival
- Drug Resistance, Neoplasm
- Gene Expression Regulation, Neoplastic/drug effects
- High-Throughput Nucleotide Sequencing
- Humans
- Kidney Neoplasms/drug therapy
- Kidney Neoplasms/genetics
- Kidney Neoplasms/metabolism
- Kidney Neoplasms/pathology
- Melanoma, Experimental/drug therapy
- Melanoma, Experimental/genetics
- Melanoma, Experimental/metabolism
- Melanoma, Experimental/pathology
- Spheroids, Cellular/drug effects
- Spheroids, Cellular/metabolism
- Spheroids, Cellular/pathology
- Tumor Cells, Cultured
- Tumor Microenvironment
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Affiliation(s)
- Aleksandra Filipiak-Duliban
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine, 04-141 Warsaw, Poland;
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
- Correspondence:
| | - Klaudia Brodaczewska
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine, 04-141 Warsaw, Poland;
| | - Arkadiusz Kajdasz
- Department of RNA Metabolism, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704 Poznan, Poland;
- Laboratory of Human Molecular Genetics, Faculty of Biology, Institute of Molecular Biology and Biotechnology, Adam Mickiewicz University Poznan, 61-614 Poznan, Poland
| | - Claudine Kieda
- Center for Molecular Biophysics UPR 4301 CNRS, CEDEX 2, 45071 Orleans, France;
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16
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Salman MM, Kitchen P, Yool AJ, Bill RM. Recent breakthroughs and future directions in drugging aquaporins. Trends Pharmacol Sci 2022; 43:30-42. [PMID: 34863533 DOI: 10.1016/j.tips.2021.10.009] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/09/2021] [Accepted: 10/18/2021] [Indexed: 02/06/2023]
Abstract
Aquaporins facilitate the passive transport of water, solutes, or ions across biological membranes. They are implicated in diverse pathologies including brain edema following stroke or trauma, epilepsy, cancer cell migration and tumor angiogenesis, metabolic disorders, and inflammation. Despite this, there is no aquaporin-targeted drug in the clinic and aquaporins have been perceived to be intrinsically non-druggable targets. Here we challenge this idea, as viable routes to inhibition of aquaporin function have recently been identified, including targeting their regulation or their roles as channels for unexpected substrates. Identifying new drug development frameworks for conditions associated with disrupted water and solute homeostasis will meet the urgent, unmet clinical need of millions of patients for whom no pharmacological interventions are available.
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Affiliation(s)
- Mootaz M Salman
- Department of Physiology, Anatomy and Genetics, Kavli Institute for NanoScience Discovery, University of Oxford, Oxford OX1 3PT, UK; Oxford Parkinson's Disease Centre, University of Oxford, Oxford, UK.
| | - Philip Kitchen
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham B4 7ET, UK.
| | - Andrea J Yool
- University of Adelaide, School of Biomedicine, Adelaide, South Australia 5005, Australia.
| | - Roslyn M Bill
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham B4 7ET, UK.
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17
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Kutlu E, Emen FM, Kismali G, Kınaytürk NK, Karacolak AI, Kilic D, Asim Ali M, Kutlu HM, Demirdogen RE. Synthesis and investigation of in vitro cytotoxic activities and thermal stability of novel pyridine derivative platinum (II) complexes vis a vis DFT studies. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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18
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Souza ML, Lima FHB. Dibenzyldithiocarbamate-Functionalized Small Gold Nanoparticles as Selective Catalysts for the Electrochemical Reduction of CO 2 to CO. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00591] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Maykon L. Souza
- Institute of Chemistry of São Carlos, University of São Paulo, Av. Trabalhador Saocarlense, 400, São Carlos, SP 13560-970, Brazil
| | - Fabio H. B. Lima
- Institute of Chemistry of São Carlos, University of São Paulo, Av. Trabalhador Saocarlense, 400, São Carlos, SP 13560-970, Brazil
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19
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Development and Characterization of Calcium-Alginate Beads of Apigenin: In Vitro Antitumor, Antibacterial, and Antioxidant Activities. Mar Drugs 2021; 19:md19080467. [PMID: 34436306 PMCID: PMC8402235 DOI: 10.3390/md19080467] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 12/17/2022] Open
Abstract
The objective of this work was to develop sustained-release Ca-alginate beads of apigenin using sodium alginate, a natural polysaccharide. Six batches were prepared by applying the ionotropic gelation technique, wherein calcium chloride was used as a crosslinking agent. The beads were evaluated for particle size, drug loading, percentage yield, and in vitro drug release. Particle size was found to decrease, and drug entrapment efficiency was enhanced with an increase in the polymer concentration. The dissolution study showed sustained drug release from the apigenin-loaded alginate beads with an increase in the polymer proportion. Based on the dissolution profiles, BD6 formulation was optimized and characterized for FTIR, DSC, XRD, and SEM, results of which indicated successful development of apigenin-loaded Ca alginate beads. MTT assay demonstrated a potential anticancer effect against the breast cancer MCF-7 cell lines. The antimicrobial activity exhibited effective inhibition in the bacterial and fungal growth rate. The DPPH measurement revealed that the formulation had substantial antioxidant activity, with EC50 value slightly lowered compared to pure apigenin. A stability study demonstrated that the BD6 was stable with similar (f2) drug release profiles in harsh condition. In conclusion, alginate-based beads could be used for sustaining the drug release of poorly water-soluble apigenin while also improving in vitro antitumor, antimicrobial, and antioxidant activity.
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20
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Yusuf TL, Pillay MN, Zamisa SJ, van Zyl WE. Crystal structure of (morpholine-1-carbodithioato-κ 2- S, S′)bis(triphenylphosphine-κ- P)gold(I), C 41H 38AuNOP 2S 2. Z KRIST-NEW CRYST ST 2021. [DOI: 10.1515/ncrs-2021-0073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C41H38AuNOP2S2, triclinic, P
1
‾
$‾{1}$
(no. 2), a = 10.0821(2) Å, b = 12.9409(2) Å, c = 14.7183(3) Å, α = 76.207(1)°, β = 80.444(1)°, γ = 75.592(1)°, V = 1794.63(6) Å3, Z = 2, R
gt
(F) = 0.0170, wR
ref
(F
2) = 0.0407, T = 150 K.
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Affiliation(s)
- Tunde L. Yusuf
- University of KwaZulu-Natal School of Chemistry and Physics , Private Bag X54001 , Westville Campus , 4000 Durban , South Africa
| | - Michael N. Pillay
- University of KwaZulu-Natal School of Chemistry and Physics , Private Bag X54001 , Westville Campus , 4000 Durban , South Africa
| | - Sizwe J. Zamisa
- University of KwaZulu-Natal School of Chemistry and Physics , Private Bag X54001 , Westville Campus , 4000 Durban , South Africa
| | - Werner E. van Zyl
- University of KwaZulu-Natal School of Chemistry and Physics , Private Bag X54001 , Westville Campus , 4000 Durban , South Africa
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21
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Gamberi T, Pratesi A, Messori L, Massai L. Proteomics as a tool to disclose the cellular and molecular mechanisms of selected anticancer gold compounds. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213905] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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22
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Anticancer Activity and Apoptosis Induction of Gold(III) Complexes Containing 2,2'-Bipyridine-3,3'-dicarboxylic Acid and Dithiocarbamates. Molecules 2021; 26:molecules26133973. [PMID: 34209921 PMCID: PMC8272064 DOI: 10.3390/molecules26133973] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 06/21/2021] [Accepted: 06/23/2021] [Indexed: 11/18/2022] Open
Abstract
Three novel gold(III) complexes (1–3) of general composition [Au(Bipydc)(S2CNR2)]Cl2 (Bipydc = 2,2′-bipyridine-3,3′-dicarboxylic acid and R = methyl for dimethyldithiocarbamate (DMDTC), ethyl for diethyldithiocarbamate (DEDTC), and benzyl for dibenzyldithiocarbamate (DBDTC)) have been synthesized and characterized by elemental analysis, FTIR and NMR spectroscopic techniques. The spectral results confirmed the presence of both the Bipydc and dithiocarbamate ligands in the complexes. The in vitro cytotoxic studies demonstrated that compounds 1–3 were highly cytotoxic to A549, HeLa, MDA-231, and MCF-7 cancer cells with activities much higher (about 25-fold) than cisplatin. In order to know the possible mode of cell death complex 2, [Au(Bipydc)(DEDTC)]Cl2 was further tested for induction of apoptosis towards the MCF-7 cells. The results indicated that complex 2 induces cell death through apoptosis.
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23
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Mahmoud NN, Aqabani H, Hikmat S, Abu-Dahab R. Colloidal Stability and Cytotoxicity of Polydopamine-Conjugated Gold Nanorods against Prostate Cancer Cell Lines. Molecules 2021; 26:1299. [PMID: 33670890 PMCID: PMC7957783 DOI: 10.3390/molecules26051299] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/16/2021] [Accepted: 02/24/2021] [Indexed: 12/17/2022] Open
Abstract
Prostate cancer is one of the most common cancers in men. Cell invasion is an important step in the process of cancer metastasis. Herein, gold nanorods (GNRs) and polyethylene glycol (PEG)-coated GNRs were conjugated with polydopamine (PDA). The PDA-nanoconjugates demonstrated excellent colloidal stability upon lyophilization and dispersion in cell culture media with or without the addition of fetal bovine albumin (FBS), compared to unconjugated GNRs. PDA-nanoconjugates exhibited a considerable cytotoxicity against DU-145 and PC3 prostate cancer cell lines over a concentration range of 48 μg/mL-12 μg/mL, while they were biocompatible over a concentration range of 3.0 μg/mL-0.185 μg/mL. Furthermore, PDA-nanoconjugates demonstrated possible anti-invasion activity towards prostate cancer cell lines, particularly DU-145 cell line, by reducing cell migration and cell adhesion properties. The PDA-nanoconjugates could be considered a promising nano-platform toward cancer treatment by reducing the invasion activity; it could also be considered a drug delivery system for chemotherapeutic agents.
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Affiliation(s)
- Nouf N. Mahmoud
- Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan; (H.A.); (S.H.)
| | - Hakam Aqabani
- Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan; (H.A.); (S.H.)
| | - Suhair Hikmat
- Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan; (H.A.); (S.H.)
| | - Rana Abu-Dahab
- School of Pharmacy, The University of Jordan, Amman 11942, Jordan
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24
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Brandhonneur N, Boucaud Y, Verger A, Dumait N, Molard Y, Cordier S, Dollo G. Molybdenum cluster loaded PLGA nanoparticles as efficient tools against epithelial ovarian cancer. Int J Pharm 2021; 592:120079. [DOI: 10.1016/j.ijpharm.2020.120079] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/03/2020] [Accepted: 11/08/2020] [Indexed: 01/10/2023]
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25
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Massai L, Zoppi C, Cirri D, Pratesi A, Messori L. Reactions of Medicinal Gold(III) Compounds With Proteins and Peptides Explored by Electrospray Ionization Mass Spectrometry and Complementary Biophysical Methods. Front Chem 2020; 8:581648. [PMID: 33195070 PMCID: PMC7609534 DOI: 10.3389/fchem.2020.581648] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 09/16/2020] [Indexed: 11/13/2022] Open
Abstract
Electrospray ionization mass spectrometry (ESI MS) is a powerful investigative tool to analyze the reactions of metallodrugs with proteins and peptides and characterize the resulting adducts. Here, we have applied this type of approach to four experimental anticancer gold(III) compounds for which extensive biological and mechanistic data had previously been gathered, namely, Auoxo6, Au2phen, AuL12, and Aubipyc. These gold(III) compounds were reacted with two representative proteins, i.e., human serum albumin (HSA) and human carbonic anhydrase I (hCA I), and with the C-terminal dodecapeptide of thioredoxin reductase. ESI MS analysis allowed us to elucidate the nature of the resulting metal-protein adducts from which the main features of the occurring metallodrug-protein reactions can be inferred. In selected cases, MS data were integrated and supported by independent 1HNMR and UV-Vis absorption measurements to gain an overall description of the occurring processes. From data analysis, it emerges that most of the investigated gold(III) complexes, endowed with an appreciable oxidizing character, undergo quite facile reduction to gold(I); the resulting gold(I) species tightly associate with the above proteins/peptides with a remarkable selectivity for free cysteine residues. In contrast, in the case of the less-oxidizing Aubipyc complex, the gold(III) oxidation state is conserved, and a gold(III) fragment still containing the original ligand is found to be associated with the target proteins. It is notable that the C-terminal dodecapeptide of thioredoxin reductase containing the characteristic -Gly-Cys-Sec-Gly metal-binding motif is able in all cases to trigger gold(III)-to-gold(I) reduction. Our investigation allowed us to identify in detail the nature of the gold fragments that ultimately bind the protein targets and determine the exact binding stoichiometry; some insight on the reaction kinetics was also gained. Notably, a few clear correlations could be established between the structure of the metal complexes and the nature of the resulting protein adducts. The mechanistic implications of these findings are analyzed and thoroughly discussed. Overall, the present results set the stage to better understand the real target biomolecules of these gold compounds and elucidate at the atomic level their interaction modes with proteins and peptides.
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Affiliation(s)
- Lara Massai
- Department of Chemistry, University of Florence, Florence, Italy
| | - Carlotta Zoppi
- Department of Chemistry, University of Florence, Florence, Italy
| | - Damiano Cirri
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | - Alessandro Pratesi
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | - Luigi Messori
- Department of Chemistry, University of Florence, Florence, Italy
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26
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Nunes HL, Tuttis K, Serpeloni JM, Nascimento JRD, da Rocha CQ, Silva VAO, Lengert AVH, Reis RM, de Syllos Cólus IM. Characterization of the invitro cytotoxic effects of brachydins isolated from Fridericia platyphylla in a prostate cancer cell line. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2020; 83:547-558. [PMID: 32590922 DOI: 10.1080/15287394.2020.1784339] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
UNLABELLED Brachydins (Br) A, B, and C are flavonoids extracted from Fridericia platyphylla (Cham.) L.G. Lohmann roots (synonym Arrabidaea brachypoda), whose extract previously exhibited cytotoxic and antitumor activity. In vitro cell culture of human prostate tumor cell line (PC-3) was used to determine cell viability as evidenced by MTT, neutral red, and LDH release using nine concentrations (0.24 to 30.72 µM) of each brachydin. A triple-fluorescent staining assay assessed the mechanism resulting in cell death. Genomic instability and protein expression were evaluated using comet assay and western blot analysis, respectively. The pro-oxidant status was analyzed using the5-(and-6)-chloromethyl-2',7'-dichlorodihydrofluorescein diacetate (CM-H2DCFDA) probe. The IC50 values for brachydins BrA, BrB, and BrC were 23.41, 4.28, and 4.44 µM, respectively, and all compounds induced apoptosis and necrosis. BrB and BrC increased p21 levels indicating a possible G1 cell cycle arrest. BrA (6 µM) and BrB (3.84 µM) decreased phospho-AKT (AKT serine/threonine kinase) expression, which also influenced cell cycle and proliferation. BrA, BrB, and BrC elevated cleaved PARP (poly (ADP-ribose) polymerase), a protein related to DNA repair and induction of apoptotic processes. Therefore, this study determined the IC50 values of brachydins in the PC-3 cell line as well as the influence on cell proliferation and cell death processes, such as apoptosis and necrosis, indicating the proteins involved in these processes. ABBREVIATIONS ANOVA: Analysis of Variance; BrA: Brachydin A; BrB: Brachydin B; BrC: Brachydin C; CGEN: Genetic Heritage Management Council; CID: Compound identification number; CM-H2DCFDA, 5-(and-6)-chloromethyl-2',7'-dichlorodihydrofluorescein diacetate, acetyl ester; CO2: Carbon dioxide; DMSO: Dimethyl sulfoxide; DNA: Deoxyribonucleic acid; DTT: Dithiothreitol; DXR: Doxorubicin; ECL: Chemiluminescence; EDTA: Ethylenediaminetetraacetic acid; FBS: Fetal bovine serum; H2O2: Hydrogen peroxide; HRMS: High-Resolution Mass Spectrometry; IC50: Half maximal inhibitory concentration; LDH: Lactate dehydrogenase; MTT, 3-[4,5-Dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium bromide; Na3VO4: Sodium Orthovanadate; NaOH: Sodium hydroxide; NCBI: National Center for Biotechnology Information; NMR: Nuclear Magnetic Resonance; PBS: Phosphate buffer saline; PCR: Polymerase chain reaction; PSMF: Phenylmethylsulfonyl fluoride; RPMI: Roswell Park Memorial Institute Medium; SDS-PAGE: Sodium Dodecyl Sulfate-Polyacrylamide gel electrophoresis; STR: Short tandem repeat; TBS-T: Tris-buffered saline and Polysorbate 20; UPHLC: Ultra-Performance Liquid Chromatography.
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Affiliation(s)
- Higor Lopes Nunes
- Departamento de Biologia Geral, Centro de Ciências Biológicas, Universidade Estadual de Londrina , Londrina, Paraná, Brasil
| | - Katiuska Tuttis
- Departamento de Biologia Geral, Centro de Ciências Biológicas, Universidade Estadual de Londrina , Londrina, Paraná, Brasil
| | - Juliana Mara Serpeloni
- Departamento de Biologia Geral, Centro de Ciências Biológicas, Universidade Estadual de Londrina , Londrina, Paraná, Brasil
| | | | - Claudia Quintino da Rocha
- Departamento De Química, Centro de Ciências Exatas e Tecnologia, Universidade Federal do Maranhão , São Luís, Maranhão, Brasil
| | | | | | - Rui Manuel Reis
- Centro de Pesquisa em Oncologia Molecular, Hospital de Câncer de Barretos , Barretos, São Paulo, Brasil
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho , Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory , Braga/Guimarães, Portugal
| | - Ilce Mara de Syllos Cólus
- Departamento de Biologia Geral, Centro de Ciências Biológicas, Universidade Estadual de Londrina , Londrina, Paraná, Brasil
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Tumoricidal Potential of Novel Amino-1,10-phenanthroline Derived Imine Ligands: Chemical Preparation, Structure, and Biological Investigations. Molecules 2020; 25:molecules25122865. [PMID: 32580359 PMCID: PMC7356530 DOI: 10.3390/molecules25122865] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/14/2020] [Accepted: 06/17/2020] [Indexed: 01/04/2023] Open
Abstract
Herein we report the synthesis and structural elucidation of two novel imine-based ligands, 2-(1,10-phenanthrolin-5-yl)imino)methyl)-5-bromophenol (PIB) and N-(1,10-phenanthrolin-5-yl)-1-(thiophen-3-yl)methanimine (PTM) ligands. An in vitro cytotoxicity assay of the synthesized molecules was carried out against breast, cervical, colorectal, and prostate cancer cell lines as well as immortalized human keratinocytes. The observations indicated that both the molecules possesses dose-dependent selective cytotoxicity of cancer cells with no detrimental effect on the normal cell lines. Furthermore, the detailed computational analysis of newly synthetized ligands (PIB and PTM) has been conducted in order to identify their most important parts from the perspective of local reactivity. The IC50 values of PIB treatment on MCF-7, HeLa, HCT-116 and PC-3 were 15.10, 16.25, 17.88, 17.55 and 23.86 micromoles, respectively. Meanwhile, the IC50 values of PTM on MCF-7, HeLa, HCT-116, PC-3 and HaCat were observed to be 14.82, 15.03, 17.88, 17.28 and 21.22 micromoles, respectively. For computational analysis, we have employed the combination of Density Functional Theory (DFT) calculations and MD simulations. DFT calculations provided us with information about structure and reactivity descriptors based on the electron distribution. Surfaces of molecular electrostatic potential (MEP) and averaged local ionization energy (ALIE) indicated the sites within studied molecules that are most reactive. These results indicated the importance of nitrogen atoms and OH group. Additionally, the values of bond dissociation for hydrogen abstraction showed that both molecules, especially the PTM, are stable toward the influence of autoxidation mechanism. On the other side, MD simulations gave us an insight how ligands interact with water molecules. Namely, the radial distribution functions (RDF) indicated that the hydrogen atom of the OH group in the case of the PIB has the most pronounced interactions with water.
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28
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Iacopetta D, Rosano C, Sirignano M, Mariconda A, Ceramella J, Ponassi M, Saturnino C, Sinicropi MS, Longo P. Is the Way to Fight Cancer Paved with Gold? Metal-Based Carbene Complexes with Multiple and Fascinating Biological Features. Pharmaceuticals (Basel) 2020; 13:ph13050091. [PMID: 32403274 PMCID: PMC7281280 DOI: 10.3390/ph13050091] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/28/2020] [Accepted: 05/08/2020] [Indexed: 12/21/2022] Open
Abstract
Herein, we report the synthesis and the multiple anti-tumor properties of new gold and silver carbene complexes. The chemical modifications, grounded on our previous studies, led us to identify a good lead complex, gold-based, whose biological features are very exciting and promising in the anti-cancer research and could be further developed. Indeed, the bis-[4,5-dichloro-(N-methyl-N’(2-hydroxy-2-phenyl)ethyl-imidazole-2-ylidene)gold(I)]+[dichloro-gold]− (AuL7) complex possesses the ability to interfere with at least three important and different intracellular targets, namely the human topoisomerases I and II and tubulin, which are able to modulate metabolic processes not directly correlated each other. We proved that the modifications of the ligands structure in AuL7, with respect to another already published complex, i.e., bis-[4,5-dichloro-(N-methyl-N’(cyclopentane-2ol)-imidazole-2-ylidine)gold(I)]+[dichloro-gold]− (AuL4), produce a different behavior toward tubulin-polymerization process, since AuL7 is a tubulin-polymerization inhibitor and AuL4 a stabilizer, with the final same result of hampering the tumor growth. Taken together, our outcomes designate AuL7 as a promising compound for the development of multi-targeted anti-cancer therapies.
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Affiliation(s)
- Domenico Iacopetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (M.S.S.)
| | - Camillo Rosano
- Biopolymers and Proteomics IRCCS, Ospedale Policlinico San Martino–IST, Largo R. Benzi 10, 16132 Genova, Italy; (C.R.); (M.P.)
| | - Marco Sirignano
- Department of Biology and Chemistry, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (M.S.); (P.L.)
| | - Annaluisa Mariconda
- Department of Science, University of Basilicata, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy;
- Correspondence: (A.M.); (J.C.); Tel.: +39-0971-202194 (A.M.); +39-0984-493200 (J.C.)
| | - Jessica Ceramella
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (M.S.S.)
- Correspondence: (A.M.); (J.C.); Tel.: +39-0971-202194 (A.M.); +39-0984-493200 (J.C.)
| | - Marco Ponassi
- Biopolymers and Proteomics IRCCS, Ospedale Policlinico San Martino–IST, Largo R. Benzi 10, 16132 Genova, Italy; (C.R.); (M.P.)
| | - Carmela Saturnino
- Department of Science, University of Basilicata, Viale dell’Ateneo Lucano 10, 85100 Potenza, Italy;
| | - Maria Stefania Sinicropi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, Italy; (D.I.); (M.S.S.)
| | - Pasquale Longo
- Department of Biology and Chemistry, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (M.S.); (P.L.)
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29
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Srinivasa Reddy T, Privér SH, Mirzadeh N, Luwor RB, Ganga Reddy V, Ramesan S, Bhargava SK. Antitumor and Antiangiogenic Properties of Gold(III) Complexes Containing Cycloaurated Triphenylphosphine Sulfide Ligands. Inorg Chem 2020; 59:5662-5673. [PMID: 32255617 DOI: 10.1021/acs.inorgchem.0c00423] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A family of stable anticancer gold(III)-based therapeutic complexes containing cyclometalated triphenylphosphine sulfide ligands have been prepared. The anticancer properties of the newly developed complexes [AuCl2{κ2-2-C6H4P(S)Ph2}] (1), [Au(κ2-S2CNEt2){κ2-2-C6H4P(S)Ph2}]PF6 (2), [AuCl(dppe){κC-2-C6H4P(S)Ph2}]Cl (3), and [Au(dppe){κ2-2-C6H4P(S)Ph2}][PF6]2 (4) were investigated toward five human cancer cell lines [cervical (HeLa), lung (A549), prostate (PC3), fibrosarcoma (HT1080), and breast (MDA-MB-231)]. In vitro cytotoxicity studies revealed that compounds 2-4 displayed potent cell growth inhibition (IC50 values in the range of 0.17-2.50 μM), comparable to, or better than, clinically used cisplatin (0.63-6.35 μM). Preliminary mechanistic studies using HeLa cells indicate that the cytotoxic effects of the compounds involve apoptosis induction through ROS accumulation. Compound 2 also demonstrated significant inhibition of endothelial cell migration and tube formation in the angiogenesis process. Evaluation of the in vivo antitumor activity of compound 2 in nude mice bearing cervical cancer cell (HeLa) xenografts indicated significant tumor growth inhibition (55%) with 1 mg/kg dose (every 3 days) compared with the same dose of cisplatin (28%). These results demonstrate the potential of gold(III) complexes containing cyclometalated triphenylphosphine sulfide ligands as novel metal-based anticancer agents.
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Affiliation(s)
- T Srinivasa Reddy
- Centre for Advanced Materials and Industrial Chemistry, School of Science, RMIT University, G.P.O. Box 2476, Melbourne 3001, Australia
| | - Steven H Privér
- Centre for Advanced Materials and Industrial Chemistry, School of Science, RMIT University, G.P.O. Box 2476, Melbourne 3001, Australia
| | - Nedaossadat Mirzadeh
- Centre for Advanced Materials and Industrial Chemistry, School of Science, RMIT University, G.P.O. Box 2476, Melbourne 3001, Australia
| | - Rodney B Luwor
- Department of Surgery, Royal Melbourne Hospital, University of Melbourne, Parkville 3050, Australia
| | - Velma Ganga Reddy
- Centre for Advanced Materials and Industrial Chemistry, School of Science, RMIT University, G.P.O. Box 2476, Melbourne 3001, Australia
| | - Shwathy Ramesan
- School of Engineering, RMIT University, G.P.O. Box 2476, Melbourne 3001, Australia
| | - Suresh K Bhargava
- Centre for Advanced Materials and Industrial Chemistry, School of Science, RMIT University, G.P.O. Box 2476, Melbourne 3001, Australia
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30
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Hartmann AK, Gudipati S, Pettenuzzo A, Ronconi L, Rouge JL. Chimeric siRNA-DNA Surfactants for the Enhanced Delivery and Sustained Cytotoxicity of a Gold(III) Metallodrug. Bioconjug Chem 2020; 31:1063-1069. [DOI: 10.1021/acs.bioconjchem.0c00047] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Alyssa K. Hartmann
- Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269, United States
| | - Saketh Gudipati
- Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269, United States
| | - Andrea Pettenuzzo
- National University of Ireland Galway, School of Chemistry, University Road, H91 TK33 Galway, Ireland
| | - Luca Ronconi
- National University of Ireland Galway, School of Chemistry, University Road, H91 TK33 Galway, Ireland
| | - Jessica L. Rouge
- Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269, United States
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31
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Jiang J, Li J, Liu C, Liu R, Liang X, Zhou Y, Pan L, Chen H, Ma Z. Study on the substitution effects of zinc benzoate terpyridine complexes on photoluminescence, antiproliferative potential and DNA binding properties. J Biol Inorg Chem 2020; 25:311-324. [PMID: 32112291 DOI: 10.1007/s00775-020-01763-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 02/08/2020] [Indexed: 01/26/2023]
Abstract
Six zinc(II) complexes, [Zn(OCOPh)2LR] (R = 1, 2, 3, 4, 5, 6) were synthesized by the reaction of zinc benzoate and six para-substituted 4-phenyl-terpyridine complexes and their structures were confirmed by elemental analysis, FT-IR, 1H NMR and X-ray single crystal diffraction analysis. Their photoluminescent properties in solid and in solutions of DMSO were studied. Three human cancer cell lines were used for antiproliferative potential: human lung cancer cell line (A549), human esophageal cancer cell line (Eca-109) and human breast cancer cell line (MCF-7). The results have shown that these zinc complexes have good inhibitory effects on cancer cells, which are better than that of the commonly used clinical drug cisplatin. The ability of the complexes to binding to CT-DNA was studied by UV spectroscopy and fluorescence titration, while the interaction between the complexes and CT-DNA, AT6, GC6 short-chain DNA sequences and G-quadruplex were analyzed by circular dichroism (CD). It is found that these complexes can bind to DNA, and the binding mode is mainly intercalator. The docking of the complexes with the DNA fragment was simulated using molecular docking software. All the results clearly display that the substituents at these ligands of the complexes have the substitution effects on the properties of photoluminescence, antiproliferative potential and DNA binding study.
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Affiliation(s)
- Jinzhang Jiang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Jiahe Li
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Chengzhang Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Rongping Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Xing Liang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Yanling Zhou
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China.
| | - Lixia Pan
- National Engineering Research Center for Non-Food Biorefinery, State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences, Nanning, 530004, PR China.
| | - Hailan Chen
- School of Animal Science and Technology, Guangxi University, Nanning, 530004, PR China.
| | - Zhen Ma
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China.
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32
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Tabrizi L, Abyar F. Conjugation of a gold(iii) complex with vitamin B1 and chlorambucil derivatives: anticancer evaluation and mechanistic insights. Metallomics 2020; 12:721-731. [DOI: 10.1039/c9mt00304e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A gold(iii) complex containing vitamin B1 and chlorambucil derivatives was investigated for mechanistic insights in colon and breast cancer treatment.
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Affiliation(s)
- Leila Tabrizi
- School of Chemistry
- National University of Ireland, Galway
- Galway
- Ireland
| | - Fatemeh Abyar
- Department of Chemical Engineering
- Faculty of Engineering
- Ardakan University
- Ardakan
- Iran
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33
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Sharma P, Gogoi A, Verma AK, Frontera A, Bhattacharyya MK. Charge-assisted hydrogen bond and nitrile⋯nitrile interaction directed supramolecular associations in Cu(ii) and Mn(ii) coordination complexes: anticancer, hematotoxicity and theoretical studies. NEW J CHEM 2020. [DOI: 10.1039/d0nj00075b] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Charge-assisted H-bonds and nitrile⋯nitrile interactions directed assemblies in Cu(ii) and Mn(ii) complexes have been analyzed by MEP surface and NCI plot index. Anticancer activities and hematotoxictiy have been investigated.
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Affiliation(s)
- Pranay Sharma
- Department of Chemistry
- Cotton University
- Guwahati-781001
- India
| | - Anshuman Gogoi
- Department of Chemistry
- Cotton University
- Guwahati-781001
- India
| | - Akalesh K. Verma
- Department of Zoology
- Cell & Biochemical Technology Laboratory
- Cotton University
- Guwahati-781001
- India
| | - Antonio Frontera
- Departament de Química
- Universitat de les Illes Balears
- 07122 Palma de Mallorca (Baleares)
- Spain
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34
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Mármol I, Castellnou P, Alvarez R, Gimeno MC, Rodríguez-Yoldi MJ, Cerrada E. Alkynyl Gold(I) complexes derived from 3-hydroxyflavones as multi-targeted drugs against colon cancer. Eur J Med Chem 2019; 183:111661. [PMID: 31546196 DOI: 10.1016/j.ejmech.2019.111661] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 08/20/2019] [Accepted: 08/29/2019] [Indexed: 01/26/2023]
Abstract
The design of multi-targeted drugs has gained considerable interest in the last decade thanks to their advantages in the treatment of different diseases, including cancer. The simultaneous inhibition of selected targets from cancerous cells to induce their death represents an attractive objective for the medicinal chemist in order to enhance the efficiency of chemotherapy. In the present work, several alkynyl gold(I) phosphane complexes derived from 3-hydroxyflavones active against three human cancer cell lines, colorectal adenocarcinoma Caco-2/TC7, breast adenocarcinoma MCF-7 and hepatocellular carcinoma HepG2, have been synthesized and characterized. Moreover, these compounds display high selective index values towards differentiated Caco-2 cells, which are considered as a model of non-cancerous cells. The antiproliferative effect of the most active complexes [Au(L2b)PPh3] (3b) and [Au(L2c)PTA] (4c) on Caco-2 cells, seems to be mediated by the inhibition of the enzyme cyclooxygenase-1/2 and alteration of the activities of the redox enzymes thioredoxin reductase and glutathione reductase. Both complexes triggered cell death by apoptosis, alterations in cell cycle progression and increased of ROS production. These results provide support for the suggestion that multi-targeting approach involving the interaction with cyclooxygenase-1/2 and the redox enzymes that increases ROS production, enhances cell death in vitro. All these results indicate that complexes [Au(L2b)PPh3] and [Au(L2c)PTA] are promising antiproliferative agents for further anticancer drug development.
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Affiliation(s)
- Inés Mármol
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009, Zaragoza, Spain; Departamento de Farmacología y Fisiología, Unidad de Fisiología, Universidad de Zaragoza, CIBERobn, IIS Aragón, IA2, 50013, Zaragoza, Spain
| | - Pilar Castellnou
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009, Zaragoza, Spain
| | - Raquel Alvarez
- Departamento de Farmacología y Fisiología, Unidad de Fisiología, Universidad de Zaragoza, CIBERobn, IIS Aragón, IA2, 50013, Zaragoza, Spain
| | - M Concepción Gimeno
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009, Zaragoza, Spain
| | - M Jesús Rodríguez-Yoldi
- Departamento de Farmacología y Fisiología, Unidad de Fisiología, Universidad de Zaragoza, CIBERobn, IIS Aragón, IA2, 50013, Zaragoza, Spain.
| | - Elena Cerrada
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009, Zaragoza, Spain.
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35
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Śmiłowicz D, Slootweg JC, Metzler-Nolte N. Bioconjugation of Cyclometalated Gold(III) Lipoic Acid Fragments to Linear and Cyclic Breast Cancer Targeting Peptides. Mol Pharm 2019; 16:4572-4581. [PMID: 31596097 DOI: 10.1021/acs.molpharmaceut.9b00695] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Cell-targeting peptides (CTPs) are increasingly used in the field of cancer research due to their high affinity and specificity to cell or tissue targets. In the search for novel metal-based drug candidates, our research group is particularly focused on bioconjugates by utilizing peptides to increase the selectivity of cytotoxic organometallic compounds. Motivated by the relatively high cytotoxic activity of gold complexes, such as Auranofin (approved to treat rheumatoid arthritis), for the treatment of various diseases, we anticipated that gold peptide bioconjugates would present interesting candidates for novel breast cancer therapies. For this, we investigate the use of the natural compound lipoic acid (Lpa) as a bioconjugation handle to link Au complexes in the oxidation state +III to peptides using the dithiol moiety. Using this strategy, we have synthesized Au(III) complex bioconjugates linked to the linear LTVSPWY peptide and two cyclic DfKRG and KTTHWGFTLG tumor-targeting peptides. Solid-phase peptide synthesis (SPPS) was used to prepare the peptides, with lipoic acid introduced N-terminally as a conjugation handle. After peptide cleavage, the metal complex was introduced in solution by first reducing the internal disulfide bond, followed by reaction with Au(ppy)Cl2 (1, ppy: 2-phenyl-pyridine), to yield the Au(III)-Lpa-peptide bioconjugates. The new bioconjugates were successfully synthesized, purified by semi-preparative HPLC, and characterized by ESI-MS. Au(III)-peptide bioconjugates were tested as cytotoxic agents against two different human breast cancer cell lines (MCF-7 and MDA-MB-231) and normal human fibroblasts cells (GM5657T) and compared to cisplatin, the parent Au(III) dichloride complex, and metal-free peptides. These in vitro data show that the Au(III)-peptide bioconjugate 5, possessing the cyclic integrin-targeting RGD-derived peptide sequence in the structure, exhibits improved activity compared to the parent gold(III) compound Au(ppy)Cl2 (1) as well as to cisplatin or the metal-free peptide. Moreover, the excellent targeting properties of 5 are supported by the fact that a Au(III)-peptide conjugate with the exact same peptide sequence, but a linear rather than the cyclic form of 5 exhibits 10 times lower cytotoxic activity.
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Affiliation(s)
- Dariusz Śmiłowicz
- Inorganic Chemistry I-Bioinorganic Chemistry , Ruhr-University Bochum , Universitätsstraße 150 , Bochum 44801 , Germany
| | - Jack C Slootweg
- Inorganic Chemistry I-Bioinorganic Chemistry , Ruhr-University Bochum , Universitätsstraße 150 , Bochum 44801 , Germany
| | - Nils Metzler-Nolte
- Inorganic Chemistry I-Bioinorganic Chemistry , Ruhr-University Bochum , Universitätsstraße 150 , Bochum 44801 , Germany
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36
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Şenkardeş S, Han Mİ, Kulabaş N, Abbak M, Çevik Ö, Küçükgüzel İ, Küçükgüzel ŞG. Synthesis, molecular docking and evaluation of novel sulfonyl hydrazones as anticancer agents and COX-2 inhibitors. Mol Divers 2019; 24:673-689. [PMID: 31302853 DOI: 10.1007/s11030-019-09974-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 07/04/2019] [Indexed: 10/26/2022]
Abstract
In trying to develop new anticancer agents, a series of sulfonylhydrazones were synthesized. All synthesized compounds were checked for identity and purity using elemental analysis, TLC and HPLC and were characterized by their melting points, FT-IR and NMR spectral data. All synthesized compounds were evaluated for their cytotoxic activity against prostate cancer (PC3), breast cancer (MCF-7) and L929 mouse fibroblast cell lines. Among them, N'-[(2-chloro-3-methoxyphenyl)methylidene]-4-methylbenzenesulfonohydrazide (3k) showed the most potent anticancer activity against both cancer cells with good selectivity (IC50 = 1.38 μM on PC3 with SI = 432.30 and IC50 = 46.09 μM on MCF-7 with SI = 12.94). Further investigation confirmed that 3k displayed morphological alterations in PC3 and MCF-7 cells and promoted apoptosis through down-regulation of the Bcl-2 and upregulation of Bax expression. Additionally, compound 3k was identified as the most potent COX-2 inhibitor (91% inhibition) beside lower COX-1 inhibition. Molecular docking of the tested compounds represented important binding modes which may be responsible for their anticancer activity via inhibition of the COX-2 enzyme. Overall, the lead compound 3k deserves further development as a potential anticancer agent. Sulfonylhydrazones was synthesized and N'-[(2-chloro-3-methoxyphenyl)methylidene]-4- methylbenzenesulfonohydrazide (3k) was identified as the most potent anticancer agent and COX-2 inhibitor. In addition, this compound docked inside the active site of COX-2 succesfully.
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Affiliation(s)
- Sevil Şenkardeş
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Marmara University, Haydarpaşa, 34668, İstanbul, Turkey.
| | - M İhsan Han
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Erciyes University, Kayseri, Turkey
| | - Necla Kulabaş
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Marmara University, Haydarpaşa, 34668, İstanbul, Turkey
| | - Mürüvvet Abbak
- Scientific Technology Research and Application Centre, Adnan Menderes University, Aydın, Turkey
| | - Özge Çevik
- Department of Biochemistry, School of Medicine, Adnan Menderes University, Aydın, Turkey
| | - İlkay Küçükgüzel
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Marmara University, Haydarpaşa, 34668, İstanbul, Turkey
| | - Ş Güniz Küçükgüzel
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Marmara University, Haydarpaşa, 34668, İstanbul, Turkey
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37
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Sulaiman AAA, Kalia N, Bhatia G, Kaur M, Fettouhi M, Altaf M, Baig N, Kawde AN, Isab AA. Cytotoxic effects of gold(i) complexes against colon, cervical and osteo carcinoma cell lines: a mechanistic approach. NEW J CHEM 2019. [DOI: 10.1039/c9nj02063b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Water-soluble gold(i) complexes, [Au(Ipr)(L)]PF6where L = thiourea (Tu)1andN,N′-dimethylthiourea (Me2Tu)2, were synthesized from the parent 1,3-bis(2,6-di-isopropylphenyl)imidazol-2-ylidenechloridogold(i) [(Ipr)AuCl] (0).
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Affiliation(s)
- Adam A. A. Sulaiman
- Lab Technical Support Office (LTSO)
- King Fahd University of Petroleum and Minerals
- Dhahran 31261
- Saudi Arabia
| | - Namarta Kalia
- Department of Molecular Biology and Biochemistry
- Guru Nanak Dev University
- Amritsar
- India
| | - Gaurav Bhatia
- Department of Molecular Biology and Biochemistry
- Guru Nanak Dev University
- Amritsar
- India
| | - Manpreet Kaur
- Department of Human Genetics
- Guru Nanak Dev University
- Amritsar
- India
| | - Mohammed Fettouhi
- Department of Chemistry
- King Fahd University of Petroleum and Minerals
- Dhahran 31261
- Saudi Arabia
| | | | - Nadeem Baig
- Department of Chemistry
- King Fahd University of Petroleum and Minerals
- Dhahran 31261
- Saudi Arabia
| | - Abdel-Nasser Kawde
- Department of Chemistry
- King Fahd University of Petroleum and Minerals
- Dhahran 31261
- Saudi Arabia
| | - Anvarhusein A. Isab
- Department of Chemistry
- King Fahd University of Petroleum and Minerals
- Dhahran 31261
- Saudi Arabia
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